/Engine/Source/Runtime/Messaging/Public/IAuthorizeMessageRecipients.h
Authorizes a request to register the specified recipient.
true if the request was authorized, false otherwise.
bool AuthorizeRegistration ( const [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [IMessageReceiver](API\Runtime\Messaging\IMessageReceiver), ESPMode::ThreadSafe > & Recipient, const [FMessageAddress](API\Runtime\Messaging\FMessageAddress) & Address )